cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A205557 prime(k)-prime(j), where the pairs (k,j) are given by A205560 and A205547.

Table of values

n a(n)
1 3
2 9
3 6
4 6
5 15
6 12
7 6
8 12
9 6
10 21
11 18
12 12
13 6
14 27
15 24
16 18
17 12
18 6
19 24
20 18
21 12
22 30
23 24
24 18
25 6
26 39
27 36
28 30
29 24
30 18
31 12
32 36
33 30
34 24
35 12
36 6
37 45
38 42
39 36
40 30
41 24
42 18
43 6
44 51
45 48
46 42
47 36
48 30
49 24
50 12
51 6
52 57
53 54
54 48
55 42
56 36
57 30
58 18
59 12
60 6
61 54
62 48
63 42
64 30
65 24
66 18
67 60
68 54
69 48
70 36

List of values

[3, 9, 6, 6, 15, 12, 6, 12, 6, 21, 18, 12, 6, 27, 24, 18, 12, 6, 24, 18, 12, 30, 24, 18, 6, 39, 36, 30, 24, 18, 12, 36, 30, 24, 12, 6, 45, 42, 36, 30, 24, 18, 6, 51, 48, 42, 36, 30, 24, 12, 6, 57, 54, 48, 42, 36, 30, 18, 12, 6, 54, 48, 42, 30, 24, 18, 60, 54, 48, 36]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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